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prionPRIOn knowledge basePRION:CVE-2021-42739
HistoryOct 20, 2021 - 7:15 a.m.

Heap overflow

2021-10-2007:15:00
PRIOn knowledge base
www.prio-n.com
14

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.9%

A heap-based buffer overflow flaw was found in the Linux kernel FireDTV media card driver, where the user calls the CA_SEND_MSG ioctl. This flaw allows a local user of the host machine to crash the system or escalate privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.